/* NTM Consulting — design tokens
   Layout: left-anchored editorial grid, 12 columns, wide margins, thin rules.
   Hero and section headers sit on a 4/8 split; cards use a 3-up grid that stacks. */
:root {
  --bg: #f7f8fa;
  --bg-2: #ffffff;
  --ink: #0f1722;
  --ink-2: #44505f;
  --ink-3: #7a8594;
  --line: #d9dee6;
  --accent: #1f4fd1;
  --accent-ink: #ffffff;
  --accent-soft: #e6ecfb;
  --dark: #0f1722;
  --dark-ink: #e9edf3;
  --dark-ink-2: #a6b0bf;
  --dark-line: #263241;

  --f-display: "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", "Segoe UI", Roboto, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --gutter: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
  --max: 1180px;
  --radius: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--f-body); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap { max-width: var(--max); margin-inline: auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }

/* Type scale */
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 600; letter-spacing: -0.015em; line-height: 1.1; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing: -0.025em; }
h3 { font-size: 1.3rem; }
p { margin: 0; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--ink-2); max-width: 36em; line-height: 1.5; }
.eyebrow { font-family: var(--f-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); }
.muted { color: var(--ink-2); }

/* Header */
.header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--bg); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; font-family: var(--f-display); font-weight: 700; letter-spacing: -0.01em; font-size: 1.05rem; color: var(--ink); }
.nav { display: flex; gap: 1.6rem; align-items: center; }
.nav a { text-decoration: none; font-size: 0.95rem; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1.1rem; border-radius: var(--radius); text-decoration: none; font-weight: 600; font-size: 0.95rem; border: 1px solid transparent; transition: background .15s, color .15s, border-color .15s; }
.btn-primary { background: var(--accent); color: var(--accent-ink) !important; }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 85%, var(--ink)); }
.btn-ghost { border-color: var(--line); color: var(--ink) !important; }
.btn-ghost:hover { border-color: var(--ink); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius); padding: 0.45rem 0.7rem; color: var(--ink); font: inherit; font-size: 0.9rem; }
@media (max-width: 760px) {
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 0.5rem var(--gutter); }
  .nav.open { display: flex; }
  .nav a { padding: 0.8rem 0; border-top: 1px solid var(--line); }
  .nav .btn { margin: 0.6rem 0; justify-content: center; }
  .nav-toggle { display: inline-block; }
}

/* Hero */
.hero { padding-block: clamp(4rem, 10vw, 8rem) clamp(3rem, 7vw, 6rem); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 3rem; align-items: end; }
.hero-text { display: grid; gap: 1.6rem; }
.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.hero-side { display: grid; gap: 0; border-left: 1px solid var(--line); padding-left: 1.6rem; align-self: stretch; align-content: end; position: relative; }
.hero-art { width: 100%; max-width: 100%; height: auto; aspect-ratio: 5 / 3; display: block; margin-bottom: 1.2rem; }
.hero-art .edge { stroke: var(--line); stroke-width: 1.2; }
.hero-art .edge.hi { stroke: var(--accent); stroke-width: 1.4; opacity: .9; }
.hero-art .node { fill: var(--bg-2); stroke: var(--ink-3); stroke-width: 1.2; }
.hero-art .node.hi { fill: var(--accent); stroke: var(--accent); }
.hero-art .node.core { fill: var(--ink); stroke: var(--ink); }
.hero-art .lbl { font-family: var(--f-mono); font-size: 9px; fill: var(--ink-3); letter-spacing: .08em; }
.fact { padding-block: 0.9rem; border-top: 1px solid var(--line); display: grid; gap: 0.15rem; }
.fact:first-child { border-top: 0; }
.fact strong { font-family: var(--f-display); font-size: 1.35rem; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.fact span { color: var(--ink-3); font-size: 0.9rem; }
.hero-grid { position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 72px 72px; opacity: 0.35; mask-image: linear-gradient(to bottom, transparent, rgba(0,0,0,.6) 40%, transparent); -webkit-mask-image: linear-gradient(to bottom, transparent, rgba(0,0,0,.6) 40%, transparent); }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-side { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.2rem; }
  .hero-art { max-width: 420px; }
}

/* Sections */
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); border-bottom: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 2rem 3rem; margin-bottom: clamp(2rem, 4vw, 3.5rem); align-items: start; }
.section-head .lead { max-width: 40em; }
@media (max-width: 860px) { .section-head { grid-template-columns: 1fr; gap: 1rem; } }

/* Services */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service { background: var(--bg-2); padding: 2rem 1.8rem; display: grid; gap: 1rem; align-content: start; min-width: 0; }
.service .eyebrow { color: var(--ink-3); }
.service h3 { font-size: 1.45rem; }
.service p { color: var(--ink-2); }
.service ul { margin: 0.4rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.45rem; font-size: 0.95rem; color: var(--ink-2); }
.service li { padding-left: 1.1rem; position: relative; }
.service li::before { content: ""; position: absolute; left: 0; top: 0.65em; width: 6px; height: 6px; background: var(--accent); border-radius: 1px; }
@media (max-width: 900px) { .services { grid-template-columns: 1fr; } }

/* Approach */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; }
.step { display: grid; gap: 0.7rem; padding-top: 1.2rem; border-top: 2px solid var(--line); position: relative; min-width: 0; }
.step::before { content: ""; position: absolute; top: -2px; left: 0; width: 2.5rem; height: 2px; background: var(--accent); }
.step .num { font-family: var(--f-mono); font-size: 0.8rem; color: var(--ink-3); letter-spacing: 0.08em; }
.step h3 { font-size: 1.2rem; }
.step p { color: var(--ink-2); font-size: 0.98rem; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }


/* FAQ */
.faq { display: grid; gap: 0; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 1.1rem 0; display: flex; justify-content: space-between; align-items: center; gap: 1rem; font-family: var(--f-display); font-weight: 600; font-size: 1.1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--f-mono); color: var(--ink-3); font-size: 1.2rem; flex: none; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 1.3rem; max-width: 42em; color: var(--ink-2); }

/* Contact */
.contact .wrap { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 3rem; align-items: start; }
.contact-card { border: 1px solid var(--line); background: var(--bg-2); padding: 2rem; display: grid; gap: 1.4rem; }
.contact-row { display: grid; gap: 0.25rem; }
.contact-row .label { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.contact-row .val { display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-family: var(--f-display); font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; user-select: all; word-break: break-word; }
.copy { font: inherit; font-family: var(--f-mono); font-size: 0.75rem; padding: 0.35rem 0.6rem; border: 1px solid var(--line); border-radius: var(--radius); background: none; color: var(--ink-2); cursor: pointer; flex: none; }
.copy:hover { border-color: var(--ink); color: var(--ink); }
@media (max-width: 860px) { .contact .wrap { grid-template-columns: 1fr; } }

/* Footer */
.footer { padding-block: 2.5rem; font-size: 0.9rem; color: var(--ink-3); }
.footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; }
.footer a { color: var(--ink-2); text-decoration: none; }
.footer a:hover { color: var(--ink); text-decoration: underline; }
.footer nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }

/* Legal pages */
.legal { padding-block: clamp(3rem, 6vw, 5rem); }
.legal .wrap { max-width: 760px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 1rem; }
.legal h2 { font-size: 1.35rem; margin-top: 2.4rem; margin-bottom: 0.6rem; }
.legal p, .legal li { color: var(--ink-2); }
.legal p + p { margin-top: 0.8rem; }
.legal ul { padding-left: 1.2rem; }
.legal address { font-style: normal; color: var(--ink); line-height: 1.6; }
.legal .meta { font-family: var(--f-mono); font-size: 0.8rem; color: var(--ink-3); letter-spacing: 0.06em; text-transform: uppercase; }
.legal .note { border-left: 3px solid var(--accent); padding: 0.6rem 1rem; background: var(--accent-soft); color: var(--ink); font-size: 0.92rem; margin-top: 1.2rem; }

/* Footer register line */
.footer .reg { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--ink-3); width: 100%; }

/* 404 */
.nf { padding-block: clamp(5rem, 14vw, 10rem); }
.nf .wrap { max-width: 640px; }
.nf .code { font-family: var(--f-mono); color: var(--accent); letter-spacing: .12em; font-size: .85rem; }
.nf h1 { margin: .6rem 0 1rem; }
.nf p { color: var(--ink-2); margin-bottom: 1.6rem; }